Bonerus Giganticus Share definition Flag A name of a species with a huge penis, the only known person of this species is Jarrett. "Jarrett has a huge penis". "Thats because he is a Bonerus Giganticus" Bonerus Giganticus by Jarrett/Garth June 24, 2008 0 0 Get merch Get the Bonerus Giganticus mug. Buy Now — $32.95 See more merch